Having trouble exporting videos on iMovie

Sorry in advance that i'm not the most tech savvy person, a friend helped me set up the hackintosh i have. More importantly I'm currently running High Sierra 10.13.6 with imovie version 10.1.12 and whenever i try to export a video it just keeps saying it failed with no reason why. Even when i click details, the only message it presents is "This operation cannot be completed"

submitted by /u/Girrzimm
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